/*
 *  Window Maker window manager
 *
 *  Copyright (c) 1997-2003 Alfredo K. Kojima
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License along
 *  with this program; if not, write to the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#include "wconfig.h"

#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/keysym.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>

#include "WindowMaker.h"
#include "framewin.h"
#include "window.h"
#include "client.h"
#include "icon.h"
#include "dock.h"
#include "actions.h"
#include "workspace.h"
#include "placement.h"

#include "geomview.h"
#include "screen.h"
#include "xinerama.h"

#include <WINGs/WINGsP.h>

/* How many different types of geometry/position
 display thingies are there? */
#define NUM_DISPLAYS 5

#define LEFT            1
#define RIGHT           2
#define UP              4
#define DOWN            8

/* True if window currently has a border. This also includes borderless
 * windows which are currently selected
 */
#define HAS_BORDER_WITH_SELECT(w) ((w)->flags.selected || HAS_BORDER(w))


/*
 *----------------------------------------------------------------------
 * checkMouseSamplingRate-
 *      For lowering the mouse motion sampling rate for machines where
 * it's too high (SGIs). If it returns False then the event should be
 * ignored.
 *----------------------------------------------------------------------
 */
static Bool checkMouseSamplingRate(XEvent * ev)
{
	static Time previousMotion = 0;

	if (ev->type == MotionNotify) {
		if (ev->xmotion.time - previousMotion < DELAY_BETWEEN_MOUSE_SAMPLING) {
			return False;
		} else {
			previousMotion = ev->xmotion.time;
		}
	}
	return True;
}

/*
 *----------------------------------------------------------------------
 * moveGeometryDisplayCentered
 *
 * routine that moves the geometry/position window on scr so it is
 * centered over the given coordinates (x,y). Also the window position
 * is clamped so it stays on the screen at all times.
 *----------------------------------------------------------------------
 */
static void moveGeometryDisplayCentered(WScreen * scr, int x, int y)
{
	unsigned int w = WMWidgetWidth(scr->gview);
	unsigned int h = WMWidgetHeight(scr->gview);
	int x1 = 0, y1 = 0, x2 = scr->scr_width, y2 = scr->scr_height;

	x -= w / 2;
	y -= h / 2;

	/* dead area check */
	if (scr->xine_info.count) {
		WMRect rect;
		int head, flags;

		rect.pos.x = x;
		rect.pos.y = y;
		rect.size.width = w;
		rect.size.height = h;

		head = wGetRectPlacementInfo(scr, rect, &flags);

		if (flags & (XFLAG_DEAD | XFLAG_PARTIAL)) {
			rect = wGetRectForHead(scr, head);
			x1 = rect.pos.x;
			y1 = rect.pos.y;
			x2 = x1 + rect.size.width;
			y2 = y1 + rect.size.height;
		}
	}

	if (x < x1 + 1)
		x = x1 + 1;
	else if (x > (x2 - w))
		x = x2 - w;

	if (y < y1 + 1)
		y = y1 + 1;
	else if (y > (y2 - h))
		y = y2 - h;

	WMMoveWidget(scr->gview, x, y);
}

static void showPosition(WWindow * wwin, int x, int y)
{
	WScreen *scr = wwin->screen_ptr;

	if (wPreferences.move_display == WDIS_NEW) {
#if 0
		int width = wwin->frame->core->width;
		int height = wwin->frame->core->height;

		GC lgc = scr->line_gc;
		XSetForeground(dpy, lgc, scr->line_pixel);
		sprintf(num, "%i", x);

		XDrawLine(dpy, scr->root_win, lgc, 0, y - 1, scr->scr_width, y - 1);
		XDrawLine(dpy, scr->root_win, lgc, 0, y + height + 2, scr->scr_width, y + height + 2);
		XDrawLine(dpy, scr->root_win, lgc, x - 1, 0, x - 1, scr->scr_height);
		XDrawLine(dpy, scr->root_win, lgc, x + width + 2, 0, x + width + 2, scr->scr_height);
#endif
	} else {
		WSetGeometryViewShownPosition(scr->gview, x, y);
	}
}

static void cyclePositionDisplay(WWindow * wwin, int x, int y, int w, int h)
{
	WScreen *scr = wwin->screen_ptr;
	WMRect rect;

	wPreferences.move_display++;
	wPreferences.move_display %= NUM_DISPLAYS;

	if (wPreferences.move_display == WDIS_NEW) {
		wPreferences.move_display++;
		wPreferences.move_display %= NUM_DISPLAYS;
	}

	if (wPreferences.move_display == WDIS_NONE) {
		WMUnmapWidget(scr->gview);
	} else {
		if (wPreferences.move_display == WDIS_CENTER) {
			rect = wGetRectForHead(scr, wGetHeadForWindow(wwin));
			moveGeometryDisplayCentered(scr, rect.pos.x + rect.size.width / 2,
						    rect.pos.y + rect.size.height / 2);
		} else if (wPreferences.move_display == WDIS_TOPLEFT) {
			rect = wGetRectForHead(scr, wGetHeadForWindow(wwin));
			moveGeometryDisplayCentered(scr, rect.pos.x + 1, rect.pos.y + 1);
		} else if (wPreferences.move_display == WDIS_FRAME_CENTER) {
			moveGeometryDisplayCentered(scr, x + w / 2, y + h / 2);
		}
		WMMapWidget(scr->gview);
	}
}

static void mapPositionDisplay(WWindow * wwin, int x, int y, int w, int h)
{
	WScreen *scr = wwin->screen_ptr;
	WMRect rect;

	if (wPreferences.move_display == WDIS_NEW || wPreferences.move_display == WDIS_NONE) {
		return;
	} else if (wPreferences.move_display == WDIS_CENTER) {
		rect = wGetRectForHead(scr, wGetHeadForWindow(wwin));
		moveGeometryDisplayCentered(scr, rect.pos.x + rect.size.width / 2,
					    rect.pos.y + rect.size.height / 2);
	} else if (wPreferences.move_display == WDIS_TOPLEFT) {
		rect = wGetRectForHead(scr, wGetHeadForWindow(wwin));
		moveGeometryDisplayCentered(scr, rect.pos.x + 1, rect.pos.y + 1);
	} else if (wPreferences.move_display == WDIS_FRAME_CENTER) {
		moveGeometryDisplayCentered(scr, x + w / 2, y + h / 2);
	}
	WMMapWidget(scr->gview);
	WSetGeometryViewShownPosition(scr->gview, x, y);
}

static void showGeometry(WWindow * wwin, int x1, int y1, int x2, int y2, int direction)
{
	WScreen *scr = wwin->screen_ptr;
	Window root = scr->root_win;
	GC gc = scr->line_gc;
	int ty, by, my, x, y, mx, s;
	char num[16];
	XSegment segment[4];
	int fw, fh;

	/* This seems necessary for some odd reason (too lazy to write x1-1 and
	 * x2-1 everywhere below in the code). But why only for x? */
	x1--;
	x2--;

	if (HAS_BORDER_WITH_SELECT(wwin)) {
		x1 += scr->frame_border_width;
		x2 += scr->frame_border_width;
		y1 += scr->frame_border_width;
		y2 += scr->frame_border_width;
	}

	ty = y1 + wwin->frame->top_width;
	by = y2 - wwin->frame->bottom_width;

	if (wPreferences.size_display == WDIS_NEW) {
		fw = XTextWidth(scr->tech_draw_font, "8888", 4);
		fh = scr->tech_draw_font->ascent + scr->tech_draw_font->descent;

		XSetForeground(dpy, gc, scr->line_pixel);

		/* vertical geometry */
		if (((direction & LEFT) && (x2 < scr->scr_width - fw)) || (x1 < fw)) {
			x = x2;
			s = -15;
		} else {
			x = x1;
			s = 15;
		}
		my = (ty + by) / 2;

		/* top arrow & end bar */
		segment[0].x1 = x - (s + 6);
		segment[0].y1 = ty;
		segment[0].x2 = x - (s - 10);
		segment[0].y2 = ty;

		/* arrowhead */
		segment[1].x1 = x - (s - 2);
		segment[1].y1 = ty + 1;
		segment[1].x2 = x - (s - 5);
		segment[1].y2 = ty + 7;

		segment[2].x1 = x - (s - 2);
		segment[2].y1 = ty + 1;
		segment[2].x2 = x - (s + 1);
		segment[2].y2 = ty + 7;

		/* line */
		segment[3].x1 = x - (s - 2);
		segment[3].y1 = ty + 1;
		segment[3].x2 = x - (s - 2);
		segment[3].y2 = my - fh / 2 - 1;

		XDrawSegments(dpy, root, gc, segment, 4);

		/* bottom arrow & end bar */
		segment[0].y1 = by;
		segment[0].y2 = by;

		/* arrowhead */
		segment[1].y1 = by - 1;
		segment[1].y2 = by - 7;

		segment[2].y1 = by - 1;
		segment[2].y2 = by - 7;

		/* line */
		segment[3].y1 = my + fh / 2 + 2;
		segment[3].y2 = by - 1;

		XDrawSegments(dpy, root, gc, segment, 4);

		snprintf(num, sizeof(num), "%i", (by - ty - wwin->normal_hints->base_height) /
			 wwin->normal_hints->height_inc);
		fw = XTextWidth(scr->tech_draw_font, num, strlen(num));

		/* Display the height. */
		XSetFont(dpy, gc, scr->tech_draw_font->fid);
		XDrawString(dpy, root, gc, x - s + 3 - fw / 2, my + scr->tech_draw_font->ascent - fh / 2 + 1, num,
			    strlen(num));

		/* horizontal geometry */
		if (y1 < 15) {
			y = y2;
			s = -15;
		} else {
			y = y1;
			s = 15;
		}
		mx = x1 + (x2 - x1) / 2;
		snprintf(num, sizeof(num), "%i", (x2 - x1 - wwin->normal_hints->base_width) /
			 wwin->normal_hints->width_inc);
		fw = XTextWidth(scr->tech_draw_font, num, strlen(num));

		/* left arrow & end bar */
		segment[0].x1 = x1;
		segment[0].y1 = y - (s + 6);
		segment[0].x2 = x1;
		segment[0].y2 = y - (s - 10);

		/* arrowhead */
		segment[1].x1 = x1 + 7;
		segment[1].y1 = y - (s + 1);
		segment[1].x2 = x1 + 1;
		segment[1].y2 = y - (s - 2);

		segment[2].x1 = x1 + 1;
		segment[2].y1 = y - (s - 2);
		segment[2].x2 = x1 + 7;
		segment[2].y2 = y - (s - 5);

		/* line */
		segment[3].x1 = x1 + 1;
		segment[3].y1 = y - (s - 2);
		segment[3].x2 = mx - fw / 2 - 2;
		segment[3].y2 = y - (s - 2);

		XDrawSegments(dpy, root, gc, segment, 4);

		/* right arrow & end bar */
		segment[0].x1 = x2 + 1;
		segment[0].x2 = x2 + 1;

		/* arrowhead */
		segment[1].x1 = x2 - 6;
		segment[1].x2 = x2;

		segment[2].x1 = x2;
		segment[2].x2 = x2 - 6;

		/* line */
		segment[3].x1 = mx + fw / 2 + 2;
		segment[3].x2 = x2;

		XDrawSegments(dpy, root, gc, segment, 4);

		/* Display the width. */
		XDrawString(dpy, root, gc, mx - fw / 2 + 1, y - s + scr->tech_draw_font->ascent - fh / 2 + 1, num,
			    strlen(num));
	} else {
		WSetGeometryViewShownSize(scr->gview, (x2 - x1 - wwin->normal_hints->base_width)
					  / wwin->normal_hints->width_inc,
					  (by - ty - wwin->normal_hints->base_height)
					  / wwin->normal_hints->height_inc);
	}
}

static void cycleGeometryDisplay(WWindow * wwin, int x, int y, int w, int h, int dir)
{
	WScreen *scr = wwin->screen_ptr;
	WMRect rect;

	wPreferences.size_display++;
	wPreferences.size_display %= NUM_DISPLAYS;

	if (wPreferences.size_display == WDIS_NEW || wPreferences.size_display == WDIS_NONE) {
		WMUnmapWidget(scr->gview);
	} else {
		if (wPreferences.size_display == WDIS_CENTER) {
			rect = wGetRectForHead(scr, wGetHeadForWindow(wwin));
			moveGeometryDisplayCentered(scr, rect.pos.x + rect.size.width / 2,
						    rect.pos.y + rect.size.height / 2);
		} else if (wPreferences.size_display == WDIS_TOPLEFT) {
			rect = wGetRectForHead(scr, wGetHeadForWindow(wwin));
			moveGeometryDisplayCentered(scr, rect.pos.x + 1, rect.pos.y + 1);
		} else if (wPreferences.size_display == WDIS_FRAME_CENTER) {
			moveGeometryDisplayCentered(scr, x + w / 2, y + h / 2);
		}
		WMMapWidget(scr->gview);
		showGeometry(wwin, x, y, x + w, y + h, dir);
	}
}

static void mapGeometryDisplay(WWindow * wwin, int x, int y, int w, int h)
{
	WScreen *scr = wwin->screen_ptr;
	WMRect rect;

	if (wPreferences.size_display == WDIS_NEW || wPreferences.size_display == WDIS_NONE)
		return;

	if (wPreferences.size_display == WDIS_CENTER) {
		rect = wGetRectForHead(scr, wGetHeadForWindow(wwin));
		moveGeometryDisplayCentered(scr, rect.pos.x + rect.size.width / 2,
					    rect.pos.y + rect.size.height / 2);
	} else if (wPreferences.size_display == WDIS_TOPLEFT) {
		rect = wGetRectForHead(scr, wGetHeadForWindow(wwin));
		moveGeometryDisplayCentered(scr, rect.pos.x + 1, rect.pos.y + 1);
	} else if (wPreferences.size_display == WDIS_FRAME_CENTER) {
		moveGeometryDisplayCentered(scr, x + w / 2, y + h / 2);
	}
	WMMapWidget(scr->gview);
	showGeometry(wwin, x, y, x + w, y + h, 0);
}

static void doWindowMove(WWindow * wwin, WMArray * array, int dx, int dy)
{
	WWindow *tmpw;
	WScreen *scr = wwin->screen_ptr;
	int x, y;

	if (!array || !WMGetArrayItemCount(array)) {
		wWindowMove(wwin, wwin->frame_x + dx, wwin->frame_y + dy);
	} else {
		WMArrayIterator iter;

		WM_ITERATE_ARRAY(array, tmpw, iter) {
			x = tmpw->frame_x + dx;
			y = tmpw->frame_y + dy;

#if 1				/* XXX: with xinerama patch was #if 0, check this */
			/* don't let windows become unreachable */

			if (x + (int)tmpw->frame->core->width < 20)
				x = 20 - (int)tmpw->frame->core->width;
			else if (x + 20 > scr->scr_width)
				x = scr->scr_width - 20;

			if (y + (int)tmpw->frame->core->height < 20)
				y = 20 - (int)tmpw->frame->core->height;
			else if (y + 20 > scr->scr_height)
				y = scr->scr_height - 20;
#else
			wScreenBringInside(scr, &x, &y,
					   (int)tmpw->frame->core->width, (int)tmpw->frame->core->height);
#endif

			wWindowMove(tmpw, x, y);
		}
	}
}

static void drawTransparentFrame(WWindow * wwin, int x, int y, int width, int height)
{
	Window root = wwin->screen_ptr->root_win;
	GC gc = wwin->screen_ptr->frame_gc;
	int h = 0;
	int bottom = 0;

	if (HAS_BORDER_WITH_SELECT(wwin)) {
		x += wwin->screen_ptr->frame_border_width;
		y += wwin->screen_ptr->frame_border_width;
	}

	if (HAS_TITLEBAR(wwin) && !wwin->flags.shaded) {
		h = WMFontHeight(wwin->screen_ptr->title_font) + (wPreferences.window_title_clearance +
								  TITLEBAR_EXTEND_SPACE) * 2;

		if (h > wPreferences.window_title_max_height)
			h = wPreferences.window_title_max_height;

		if (h < wPreferences.window_title_min_height)
			h = wPreferences.window_title_min_height;
	}
	if (HAS_RESIZEBAR(wwin) && !wwin->flags.shaded) {
		/* Can't use wwin-frame->bottom_width because, in some cases
		   (e.g. interactive placement), frame does not point to anything. */
		bottom = RESIZEBAR_HEIGHT;
	}
	XDrawRectangle(dpy, root, gc, x - 1, y - 1, width + 1, height + 1);

	if (h > 0) {
		XDrawLine(dpy, root, gc, x, y + h - 1, x + width, y + h - 1);
	}
	if (bottom > 0) {
		XDrawLine(dpy, root, gc, x, y + height - bottom, x + width, y + height - bottom);
	}
}

static void drawFrames(WWindow * wwin, WMArray * array, int dx, int dy)
{
	WWindow *tmpw;
	int scr_width = wwin->screen_ptr->scr_width;
	int scr_height = wwin->screen_ptr->scr_height;
	int x, y;

	if (!array) {

		x = wwin->frame_x + dx;
		y = wwin->frame_y + dy;

		drawTransparentFrame(wwin, x, y, wwin->frame->core->width, wwin->frame->core->height);

	} else {
		WMArrayIterator iter;

		WM_ITERATE_ARRAY(array, tmpw, iter) {
			x = tmpw->frame_x + dx;
			y = tmpw->frame_y + dy;

			/* don't let windows become unreachable */
#if 1				/* XXX: was 0 in XINERAMA patch, check */
			if (x + (int)tmpw->frame->core->width < 20)
				x = 20 - (int)tmpw->frame->core->width;
			else if (x + 20 > scr_width)
				x = scr_width - 20;

			if (y + (int)tmpw->frame->core->height < 20)
				y = 20 - (int)tmpw->frame->core->height;
			else if (y + 20 > scr_height)
				y = scr_height - 20;

#else
			wScreenBringInside(wwin->screen_ptr, &x, &y,
					   (int)tmpw->frame->core->width, (int)tmpw->frame->core->height);
#endif

			drawTransparentFrame(tmpw, x, y, tmpw->frame->core->width, tmpw->frame->core->height);
		}
	}
}

static void flushMotion(void)
{
	XEvent ev;

	XSync(dpy, False);
	while (XCheckMaskEvent(dpy, ButtonMotionMask, &ev)) ;
}

static void crossWorkspace(WScreen * scr, WWindow * wwin, int opaque_move, int new_workspace, int rewind)
{
	/* do not let window be unmapped */
	if (opaque_move) {
		wwin->flags.changing_workspace = 1;
		wWindowChangeWorkspace(wwin, new_workspace);
	}
	/* go to new workspace */
	wWorkspaceChange(scr, new_workspace);

	wwin->flags.changing_workspace = 0;

	if (rewind)
		XWarpPointer(dpy, None, None, 0, 0, 0, 0, scr->scr_width - 20, 0);
	else
		XWarpPointer(dpy, None, None, 0, 0, 0, 0, -(scr->scr_width - 20), 0);

	flushMotion();

	if (!opaque_move) {
		XGrabPointer(dpy, scr->root_win, True, PointerMotionMask
			     | ButtonReleaseMask | ButtonPressMask, GrabModeAsync,
			     GrabModeAsync, None, wPreferences.cursor[WCUR_MOVE], CurrentTime);
	}
}

typedef struct {
	/* arrays of WWindows sorted by the respective border position */
	WWindow **topList;	/* top border */
	WWindow **leftList;	/* left border */
	WWindow **rightList;	/* right border */
	WWindow **bottomList;	/* bottom border */
	int count;

	/* index of window in the above lists indicating the relative position
	 * of the window with the others */
	int topIndex;
	int leftIndex;
	int rightIndex;
	int bottomIndex;

	int rubCount;		/* for workspace switching */

	int winWidth, winHeight;	/* width/height of the window */
	int realX, realY;	/* actual position of the window */
	int calcX, calcY;	/* calculated position of window */
	int omouseX, omouseY;	/* old mouse position */
	int mouseX, mouseY;	/* last known position of the pointer */

	enum {
		SNAP_NONE,
		SNAP_LEFT,
		SNAP_RIGHT,
		SNAP_TOP,
		SNAP_BOTTOM,
		SNAP_TOPLEFT,
		SNAP_TOPRIGHT,
		SNAP_BOTTOMLEFT,
		SNAP_BOTTOMRIGHT
	} snap;
} MoveData;

#define WTOP(w) (w)->frame_y
#define WLEFT(w) (w)->frame_x
#define WRIGHT(w) ((w)->frame_x + (int)(w)->frame->core->width - 1 + \
    (HAS_BORDER_WITH_SELECT(w) ? 2*(w)->screen_ptr->frame_border_width : 0))
#define WBOTTOM(w) ((w)->frame_y + (int)(w)->frame->core->height - 1 + \
    (HAS_BORDER_WITH_SELECT(w) ? 2*(w)->screen_ptr->frame_border_width : 0))

static int compareWTop(const void *a, const void *b)
{
	WWindow *wwin1 = *(WWindow **) a;
	WWindow *wwin2 = *(WWindow **) b;

	if (WTOP(wwin1) > WTOP(wwin2))
		return -1;
	else if (WTOP(wwin1) < WTOP(wwin2))
		return 1;
	else
		return 0;
}

static int compareWLeft(const void *a, const void *b)
{
	WWindow *wwin1 = *(WWindow **) a;
	WWindow *wwin2 = *(WWindow **) b;

	if (WLEFT(wwin1) > WLEFT(wwin2))
		return -1;
	else if (WLEFT(wwin1) < WLEFT(wwin2))
		return 1;
	else
		return 0;
}

static int compareWRight(const void *a, const void *b)
{
	WWindow *wwin1 = *(WWindow **) a;
	WWindow *wwin2 = *(WWindow **) b;

	if (WRIGHT(wwin1) < WRIGHT(wwin2))
		return -1;
	else if (WRIGHT(wwin1) > WRIGHT(wwin2))
		return 1;
	else
		return 0;
}

static int compareWBottom(const void *a, const void *b)
{
	WWindow *wwin1 = *(WWindow **) a;
	WWindow *wwin2 = *(WWindow **) b;

	if (WBOTTOM(wwin1) < WBOTTOM(wwin2))
		return -1;
	else if (WBOTTOM(wwin1) > WBOTTOM(wwin2))
		return 1;
	else
		return 0;
}

static void updateResistance(MoveData *data, int newX, int newY)
{
	int i;
	int newX2 = newX + data->winWidth;
	int newY2 = newY + data->winHeight;
	Bool ok = False;

	if (newX < data->realX) {
		if (data->rightIndex > 0 && newX < WRIGHT(data->rightList[data->rightIndex - 1])) {
			ok = True;
		} else if (data->leftIndex <= data->count - 1 && newX2 <= WLEFT(data->leftList[data->leftIndex])) {
			ok = True;
		}
	} else if (newX > data->realX) {
		if (data->leftIndex > 0 && newX2 > WLEFT(data->leftList[data->leftIndex - 1])) {
			ok = True;
		} else if (data->rightIndex <= data->count - 1
			   && newX >= WRIGHT(data->rightList[data->rightIndex])) {
			ok = True;
		}
	}

	if (!ok) {
		if (newY < data->realY) {
			if (data->bottomIndex > 0 && newY < WBOTTOM(data->bottomList[data->bottomIndex - 1])) {
				ok = True;
			} else if (data->topIndex <= data->count - 1
				   && newY2 <= WTOP(data->topList[data->topIndex])) {
				ok = True;
			}
		} else if (newY > data->realY) {
			if (data->topIndex > 0 && newY2 > WTOP(data->topList[data->topIndex - 1])) {
				ok = True;
			} else if (data->bottomIndex <= data->count - 1
				   && newY >= WBOTTOM(data->bottomList[data->bottomIndex])) {
				ok = True;
			}
		}
	}

	if (!ok)
		return;

	/* TODO: optimize this */
	if (data->realY < WBOTTOM(data->bottomList[0])) {
		data->bottomIndex = 0;
	}
	if (data->realX < WRIGHT(data->rightList[0])) {
		data->rightIndex = 0;
	}
	if ((data->realX + data->winWidth) > WLEFT(data->leftList[0])) {
		data->leftIndex = 0;
	}
	if ((data->realY + data->winHeight) > WTOP(data->topList[0])) {
		data->topIndex = 0;
	}
	for (i = 0; i < data->count; i++) {
		if (data->realY > WBOTTOM(data->bottomList[i])) {
			data->bottomIndex = i + 1;
		}
		if (data->realX > WRIGHT(data->rightList[i])) {
			data->rightIndex = i + 1;
		}
		if ((data->realX + data->winWidth) < WLEFT(data->leftList[i])) {
			data->leftIndex = i + 1;
		}
		if ((data->realY + data->winHeight) < WTOP(data->topList[i])) {
			data->topIndex = i + 1;
		}
	}
}

static void freeMoveData(MoveData * data)
{
	if (data->topList)
		wfree(data->topList);
	if (data->leftList)
		wfree(data->leftList);
	if (data->rightList)
		wfree(data->rightList);
	if (data->bottomList)
		wfree(data->bottomList);
}

static void updateMoveData(WWindow * wwin, MoveData * data)
{
	WScreen *scr = wwin->screen_ptr;
	WWindow *tmp;
	int i;

	data->count = 0;
	tmp = scr->focused_window;
	while (tmp) {
		if (tmp != wwin && scr->current_workspace == tmp->frame->workspace
		    && !tmp->flags.miniaturized
		    && !tmp->flags.hidden && !tmp->flags.obscured && !WFLAGP(tmp, sunken)) {
			data->topList[data->count] = tmp;
			data->leftList[data->count] = tmp;
			data->rightList[data->count] = tmp;
			data->bottomList[data->count] = tmp;
			data->count++;
		}
		tmp = tmp->prev;
	}

	if (data->count == 0) {
		data->topIndex = 0;
		data->leftIndex = 0;
		data->rightIndex = 0;
		data->bottomIndex = 0;
		return;
	}

	/* order from closest to the border of the screen to farthest */

	qsort(data->topList, data->count, sizeof(data->topList[0]), compareWTop);
	qsort(data->leftList, data->count, sizeof(data->leftList[0]), compareWLeft);
	qsort(data->rightList, data->count, sizeof(data->rightList[0]), compareWRight);
	qsort(data->bottomList, data->count, sizeof(data->bottomList[0]), compareWBottom);

	/* figure the position of the window relative to the others */

	data->topIndex = -1;
	data->leftIndex = -1;
	data->rightIndex = -1;
	data->bottomIndex = -1;

	if (WTOP(wwin) < WBOTTOM(data->bottomList[0])) {
		data->bottomIndex = 0;
	}
	if (WLEFT(wwin) < WRIGHT(data->rightList[0])) {
		data->rightIndex = 0;
	}
	if (WRIGHT(wwin) > WLEFT(data->leftList[0])) {
		data->leftIndex = 0;
	}
	if (WBOTTOM(wwin) > WTOP(data->topList[0])) {
		data->topIndex = 0;
	}
	for (i = 0; i < data->count; i++) {
		if (WTOP(wwin) >= WBOTTOM(data->bottomList[i])) {
			data->bottomIndex = i + 1;
		}
		if (WLEFT(wwin) >= WRIGHT(data->rightList[i])) {
			data->rightIndex = i + 1;
		}
		if (WRIGHT(wwin) <= WLEFT(data->leftList[i])) {
			data->leftIndex = i + 1;
		}
		if (WBOTTOM(wwin) <= WTOP(data->topList[i])) {
			data->topIndex = i + 1;
		}
	}
}

static void initMoveData(WWindow * wwin, MoveData * data)
{
	int i;
	WWindow *tmp;

	memset(data, 0, sizeof(MoveData));

	for (i = 0, tmp = wwin->screen_ptr->focused_window; tmp != NULL; tmp = tmp->prev, i++) ;

	if (i > 1) {
		data->topList = wmalloc(sizeof(WWindow *) * i);
		data->leftList = wmalloc(sizeof(WWindow *) * i);
		data->rightList = wmalloc(sizeof(WWindow *) * i);
		data->bottomList = wmalloc(sizeof(WWindow *) * i);

		updateMoveData(wwin, data);
	}

	data->realX = wwin->frame_x;
	data->realY = wwin->frame_y;
	data->calcX = wwin->frame_x;
	data->calcY = wwin->frame_y;

	data->winWidth = wwin->frame->core->width + (HAS_BORDER_WITH_SELECT(wwin) ? 2 * wwin->screen_ptr->frame_border_width : 0);
	data->winHeight = wwin->frame->core->height + (HAS_BORDER_WITH_SELECT(wwin) ? 2 * wwin->screen_ptr->frame_border_width : 0);

	data->snap = SNAP_NONE;
}

static Bool checkWorkspaceChange(WWindow * wwin, MoveData * data, Bool opaqueMove)
{
	WScreen *scr = wwin->screen_ptr;
	Bool changed = False;

	if (data->mouseX <= 1) {
		if (scr->current_workspace > 0) {
			crossWorkspace(scr, wwin, opaqueMove, scr->current_workspace - 1, True);
			changed = True;
			data->rubCount = 0;
		} else if (scr->current_workspace == 0 && wPreferences.ws_cycle) {
			crossWorkspace(scr, wwin, opaqueMove, scr->workspace_count - 1, True);
			changed = True;
			data->rubCount = 0;
		}
	} else if (data->mouseX >= scr->scr_width - 2) {
		if (scr->current_workspace == scr->workspace_count - 1) {
			if (wPreferences.ws_cycle || scr->workspace_count == MAX_WORKSPACES) {
				crossWorkspace(scr, wwin, opaqueMove, 0, False);
				changed = True;
				data->rubCount = 0;
			}
			/* if user insists on trying to go to next workspace even when
			 * it's already the last, create a new one */
			else if (data->omouseX == data->mouseX && wPreferences.ws_advance) {

				/* detect user "rubbing" the window against the edge */
				if (data->rubCount > 0 && data->omouseY - data->mouseY > MOVE_THRESHOLD) {

					data->rubCount = -(data->rubCount + 1);

				} else if (data->rubCount <= 0 && data->mouseY - data->omouseY > MOVE_THRESHOLD) {

					data->rubCount = -data->rubCount + 1;
				}
			}
			/* create a new workspace */
			if (abs(data->rubCount) > 2) {
				/* go to next workspace */
				wWorkspaceNew(scr);

				crossWorkspace(scr, wwin, opaqueMove, scr->current_workspace + 1, False);
				changed = True;
				data->rubCount = 0;
			}
		} else if (scr->current_workspace < scr->workspace_count) {
			/* go to next workspace */
			crossWorkspace(scr, wwin, opaqueMove, scr->current_workspace + 1, False);
			changed = True;
			data->rubCount = 0;
		}
	} else {
		data->rubCount = 0;
	}

	return changed;
}

static void
updateWindowPosition(WWindow * wwin, MoveData * data, Bool doResistance,
		     Bool opaqueMove, int newMouseX, int newMouseY)
{
	WScreen *scr = wwin->screen_ptr;
	int dx, dy;		/* how much mouse moved */
	int winL, winR, winT, winB;	/* requested new window position */
	int newX, newY;		/* actual new window position */
	Bool hresist, vresist;
	Bool attract;

	hresist = False;
	vresist = False;

	/* check the direction of the movement */
	dx = newMouseX - data->mouseX;
	dy = newMouseY - data->mouseY;

	data->omouseX = data->mouseX;
	data->omouseY = data->mouseY;
	data->mouseX = newMouseX;
	data->mouseY = newMouseY;

	winL = data->calcX + dx;
	winR = data->calcX + data->winWidth + dx;
	winT = data->calcY + dy;
	winB = data->calcY + data->winHeight + dy;

	newX = data->realX;
	newY = data->realY;

	if (doResistance) {
		int l_edge, r_edge;
		int edge_l, edge_r;
		int t_edge, b_edge;
		int edge_t, edge_b;
		int resist;

		resist = WIN_RESISTANCE(wPreferences.edge_resistance);
		attract = wPreferences.attract;
		/* horizontal movement: check horizontal edge resistances */
		if (dx || dy) {
			WMRect rect;
			int i, head;
			/* window is the leftmost window: check against screen edge */

			/* Add inter head resistance 1/2 (if needed) */
			head = wGetHeadForPointerLocation(scr);
			rect = wGetRectForHead(scr, head);

			l_edge = WMAX(scr->totalUsableArea[head].x1, rect.pos.x);
			edge_l = l_edge - resist;
			edge_r = WMIN(scr->totalUsableArea[head].x2, rect.pos.x + rect.size.width);
			r_edge = edge_r + resist;

			/* 1 */
			if ((data->rightIndex >= 0) && (data->rightIndex <= data->count)) {
				WWindow *looprw;

				for (i = data->rightIndex - 1; i >= 0; i--) {
					looprw = data->rightList[i];
					if (!(data->realY > WBOTTOM(looprw)
					      || (data->realY + data->winHeight) < WTOP(looprw))) {
						if (attract || ((data->realX < (WRIGHT(looprw) + 2)) && dx < 0)) {
							l_edge = WRIGHT(looprw) + 1;
							resist = WIN_RESISTANCE(wPreferences.edge_resistance);
						}
						break;
					}
				}

				if (attract) {
					for (i = data->rightIndex; i < data->count; i++) {
						looprw = data->rightList[i];
						if (!(data->realY > WBOTTOM(looprw)
						      || (data->realY + data->winHeight) < WTOP(looprw))) {
							r_edge = WRIGHT(looprw) + 1;
							resist = WIN_RESISTANCE(wPreferences.edge_resistance);
							break;
						}
					}
				}
			}

			if ((data->leftIndex >= 0) && (data->leftIndex <= data->count)) {
				WWindow *looprw;

				for (i = data->leftIndex - 1; i >= 0; i--) {
					looprw = data->leftList[i];
					if (!(data->realY > WBOTTOM(looprw)
					      || (data->realY + data->winHeight) < WTOP(looprw))) {
						if (attract
						    || (((data->realX + data->winWidth) > (WLEFT(looprw) - 1))
							&& dx > 0)) {
							edge_r = WLEFT(looprw);
							resist = WIN_RESISTANCE(wPreferences.edge_resistance);
						}
						break;
					}
				}

				if (attract)
					for (i = data->leftIndex; i < data->count; i++) {
						looprw = data->leftList[i];
						if (!(data->realY > WBOTTOM(looprw)
						      || (data->realY + data->winHeight) < WTOP(looprw))) {
							edge_l = WLEFT(looprw);
							resist = WIN_RESISTANCE(wPreferences.edge_resistance);
							break;
						}
					}
			}

			/*
			   printf("%d %d\n",winL,winR);
			   printf("l_ %d r_ %d _l %d _r %d\n",l_edge,r_edge,edge_l,edge_r);
			 */

			if ((winL - l_edge) < (r_edge - winL)) {
				if (resist > 0) {
					if ((attract && winL <= l_edge + resist && winL >= l_edge - resist)
					    || (dx < 0 && winL <= l_edge && winL >= l_edge - resist)) {
						newX = l_edge;
						hresist = True;
					}
				}
			} else {
				if (resist > 0 && attract && winL >= r_edge - resist && winL <= r_edge + resist) {
					newX = r_edge;
					hresist = True;
				}
			}

			if ((winR - edge_l) < (edge_r - winR)) {
				if (resist > 0 && attract && winR <= edge_l + resist && winR >= edge_l - resist) {
					newX = edge_l - data->winWidth;
					hresist = True;
				}
			} else {
				if (resist > 0) {
					if ((attract && winR >= edge_r - resist && winR <= edge_r + resist)
					    || (dx > 0 && winR >= edge_r && winR <= edge_r + resist)) {
						newX = edge_r - data->winWidth;
						hresist = True;
					}
				}
			}

			/* VeRT */
			/* Add inter head resistance 2/2 (if needed) */
			t_edge = WMAX(scr->totalUsableArea[head].y1, rect.pos.y);
			edge_t = t_edge - resist;
			edge_b = WMIN(scr->totalUsableArea[head].y2, rect.pos.y + rect.size.height);
			b_edge = edge_b + resist;

			if ((data->bottomIndex >= 0) && (data->bottomIndex <= data->count)) {
				WWindow *looprw;

				for (i = data->bottomIndex - 1; i >= 0; i--) {
					looprw = data->bottomList[i];
					if (!(data->realX > WRIGHT(looprw)
					      || (data->realX + data->winWidth) < WLEFT(looprw))) {
						if (attract || ((data->realY < (WBOTTOM(looprw) + 2)) && dy < 0)) {
							t_edge = WBOTTOM(looprw) + 1;
							resist = WIN_RESISTANCE(wPreferences.edge_resistance);
						}
						break;
					}
				}

				if (attract) {
					for (i = data->bottomIndex; i < data->count; i++) {
						looprw = data->bottomList[i];
						if (!(data->realX > WRIGHT(looprw)
						      || (data->realX + data->winWidth) < WLEFT(looprw))) {
							b_edge = WBOTTOM(looprw) + 1;
							resist = WIN_RESISTANCE(wPreferences.edge_resistance);
							break;
						}
					}
				}
			}

			if ((data->topIndex >= 0) && (data->topIndex <= data->count)) {
				WWindow *looprw;

				for (i = data->topIndex - 1; i >= 0; i--) {
					looprw = data->topList[i];
					if (!(data->realX > WRIGHT(looprw)
					      || (data->realX + data->winWidth) < WLEFT(looprw))) {
						if (attract
						    || (((data->realY + data->winHeight) > (WTOP(looprw) - 1))
							&& dy > 0)) {
							edge_b = WTOP(looprw);
							resist = WIN_RESISTANCE(wPreferences.edge_resistance);
						}
						break;
					}
				}

				if (attract)
					for (i = data->topIndex; i < data->count; i++) {
						looprw = data->topList[i];
						if (!(data->realX > WRIGHT(looprw)
						      || (data->realX + data->winWidth) < WLEFT(looprw))) {
							edge_t = WTOP(looprw);
							resist = WIN_RESISTANCE(wPreferences.edge_resistance);
							break;
						}
					}
			}

			if ((winT - t_edge) < (b_edge - winT)) {
				if (resist > 0) {
					if ((attract && winT <= t_edge + resist && winT >= t_edge - resist)
					    || (dy < 0 && winT <= t_edge && winT >= t_edge - resist)) {
						newY = t_edge;
						vresist = True;
					}
				}
			} else {
				if (resist > 0 && attract && winT >= b_edge - resist && winT <= b_edge + resist) {
					newY = b_edge;
					vresist = True;
				}
			}

			if ((winB - edge_t) < (edge_b - winB)) {
				if (resist > 0 && attract && winB <= edge_t + resist && winB >= edge_t - resist) {
					newY = edge_t - data->winHeight;
					vresist = True;
				}
			} else {
				if (resist > 0) {
					if ((attract && winB >= edge_b - resist && winB <= edge_b + resist)
					    || (dy > 0 && winB >= edge_b && winB <= edge_b + resist)) {
						newY = edge_b - data->winHeight;
						vresist = True;
					}
				}
			}
		}
		/* END VeRT */

	}

	/* update window position */
	data->calcX += dx;
	data->calcY += dy;

	if (((dx > 0 && data->calcX - data->realX > 0)
	     || (dx < 0 && data->calcX - data->realX < 0)) && !hresist)
		newX = data->calcX;

	if (((dy > 0 && data->calcY - data->realY > 0)
	     || (dy < 0 && data->calcY - data->realY < 0)) && !vresist)
		newY = data->calcY;

	if (data->realX != newX || data->realY != newY) {

		if (wPreferences.move_display == WDIS_NEW && !scr->selected_windows) {
			showPosition(wwin, data->realX, data->realY);
		}
		if (opaqueMove) {
			doWindowMove(wwin, scr->selected_windows, newX - wwin->frame_x, newY - wwin->frame_y);
		} else {
			/* erase frames */
			drawFrames(wwin, scr->selected_windows,
				   data->realX - wwin->frame_x, data->realY - wwin->frame_y);
		}

		if (!scr->selected_windows && wPreferences.move_display == WDIS_FRAME_CENTER) {

			moveGeometryDisplayCentered(scr, newX + data->winWidth / 2, newY + data->winHeight / 2);
		}

		if (!opaqueMove) {
			/* draw frames */
			drawFrames(wwin, scr->selected_windows, newX - wwin->frame_x, newY - wwin->frame_y);
		}

		if (!scr->selected_windows) {
			showPosition(wwin, newX, newY);
		}
	}

	/* recalc relative window position */
	if (doResistance && (data->realX != newX || data->realY != newY)) {
		updateResistance(data, newX, newY);
	}

	data->realX = newX;
	data->realY = newY;
}

static void draw_snap_frame(WWindow *wwin, int direction)
{
	WScreen *scr;
	int head, x, y;
	unsigned int width, height;
	WMRect rect;

	scr = wwin->screen_ptr;
	head = wGetHeadForWindow(wwin);
	rect = wGetRectForHead(scr, head);

	x = rect.pos.x;
	y = rect.pos.y;
	width = rect.size.width;
	height = rect.size.height;

	switch (direction) {
	case SNAP_LEFT:
		width /= 2;
		break;

	case SNAP_RIGHT:
		width /= 2;
		x += width;
		break;

	case SNAP_TOP:
		if (!wPreferences.snap_to_top_maximizes_fullscreen)
			height /= 2;
		break;

	case SNAP_BOTTOM:
		height /= 2;
		y += height;
		break;

	case SNAP_TOPLEFT:
		width /= 2;
		height /= 2;
		break;

	case SNAP_TOPRIGHT:
		width /= 2;
		height /= 2;
		x += width;
		break;

	case SNAP_BOTTOMLEFT:
		width /= 2;
		height /= 2;
		y += height;
		break;

	case SNAP_BOTTOMRIGHT:
		width /= 2;
		height /= 2;
		x += width;
		y += height;
		break;
	}

	drawTransparentFrame(wwin, x, y, width, height);
}

static int get_snap_direction(WScreen *scr, int x, int y)
{
	int edge, corner;

	edge = wPreferences.snap_edge_detect;
	corner = wPreferences.snap_corner_detect;

	if (x < corner && y < corner)
		return SNAP_TOPLEFT;
	if (x < corner && y >= scr->scr_height - corner)
		return SNAP_BOTTOMLEFT;
	if (x < edge)
		return SNAP_LEFT;

	if (x >= scr->scr_width - corner && y < corner)
		return SNAP_TOPRIGHT;
	if (x >= scr->scr_width - corner && y >= scr->scr_height - corner)
		return SNAP_BOTTOMRIGHT;
	if (x >= scr->scr_width - edge)
		return SNAP_RIGHT;

	if (y < edge)
		return SNAP_TOP;
	if (y >= scr->scr_height - edge)
		return SNAP_BOTTOM;
	return SNAP_NONE;
}

static void do_snap(WWindow *wwin, MoveData *data, Bool opaqueMove)
{
	int directions;
	WScreen *scr;

	directions = 0;
	scr = wwin->screen_ptr;

	/* erase frames */
	if (!opaqueMove)
		drawFrames(wwin, scr->selected_windows, data->realX - wwin->frame_x, data->realY - wwin->frame_y);
	draw_snap_frame(wwin, data->snap);

	switch (data->snap) {
	case SNAP_NONE:
		return;
	case SNAP_LEFT:
		directions = MAX_VERTICAL | MAX_LEFTHALF;
		break;
	case SNAP_RIGHT:
		directions = MAX_VERTICAL | MAX_RIGHTHALF;
		break;
	case SNAP_TOP:
		if (wPreferences.snap_to_top_maximizes_fullscreen)
			directions = MAX_HORIZONTAL | MAX_VERTICAL;
		else
			directions = MAX_HORIZONTAL | MAX_TOPHALF;
		break;
	case SNAP_BOTTOM:
		directions = MAX_HORIZONTAL | MAX_BOTTOMHALF;
		break;
	case SNAP_TOPLEFT:
		directions = MAX_TOPHALF | MAX_LEFTHALF;
		break;
	case SNAP_TOPRIGHT:
		directions = MAX_TOPHALF | MAX_RIGHTHALF;
		break;
	case SNAP_BOTTOMLEFT:
		directions = MAX_BOTTOMHALF | MAX_LEFTHALF;
		break;
	case SNAP_BOTTOMRIGHT:
		directions = MAX_BOTTOMHALF | MAX_RIGHTHALF;
		break;
	}

	if (directions)
		handleMaximize(wwin, directions);
	data->snap = SNAP_NONE;
}

#define _KS KEY_CONTROL_WINDOW_WEIGHT

#define MOVABLE_BIT	0x01
#define RESIZABLE_BIT	0x02

int wKeyboardMoveResizeWindow(WWindow * wwin)
{
	WScreen *scr = wwin->screen_ptr;
	Window root = scr->root_win;
	XEvent event;
	int w = wwin->frame->core->width;
	int h = wwin->frame->core->height;
	int scr_width = wwin->screen_ptr->scr_width;
	int scr_height = wwin->screen_ptr->scr_height;
	int vert_border = wwin->frame->top_width + wwin->frame->bottom_width;
	int src_x = wwin->frame_x;
	int src_y = wwin->frame_y;
	int original_w = w;
	int original_h = h;
	int done, off_x, off_y, ww, wh;
	int kspeed = _KS;
	int opaqueMoveResize = wPreferences.opaque_move_resize_keyboard;
	Time lastTime = 0;
	KeyCode shiftl, shiftr, ctrlmode;
	KeySym keysym = NoSymbol;
	int moment = 0;
	int modes = ((IS_MOVABLE(wwin) ? MOVABLE_BIT : 0) | (IS_RESIZABLE(wwin) ? RESIZABLE_BIT : 0));
	int head = ((wPreferences.auto_arrange_icons && wXineramaHeads(scr) > 1)
		    ? wGetHeadForWindow(wwin)
		    : scr->xine_info.primary_head);

	shiftl = XKeysymToKeycode(dpy, XK_Shift_L);
	shiftr = XKeysymToKeycode(dpy, XK_Shift_R);
	ctrlmode = done = off_x = off_y = 0;

	if (modes == RESIZABLE_BIT) {
		ctrlmode = 1;
	}

	XSync(dpy, False);
	wusleep(10000);
	XGrabKeyboard(dpy, root, False, GrabModeAsync, GrabModeAsync, CurrentTime);

	if (!wwin->flags.selected) {
		wUnselectWindows(scr);
	}
	XGrabServer(dpy);
	XGrabPointer(dpy, scr->root_win, True, PointerMotionMask
		     | ButtonReleaseMask | ButtonPressMask, GrabModeAsync,
		     GrabModeAsync, None, wPreferences.cursor[WCUR_NORMAL], CurrentTime);



	if (!opaqueMoveResize) {
		if (wwin->flags.shaded || scr->selected_windows) {
			if (scr->selected_windows)
				drawFrames(wwin, scr->selected_windows, off_x, off_y);
			else
				drawTransparentFrame(wwin, src_x + off_x, src_y + off_y, w, h);
		} else {
			drawTransparentFrame(wwin, src_x + off_x, src_y + off_y, w, h);
		}
	}
	if ((wwin->flags.shaded || scr->selected_windows) && (!scr->selected_windows)) {
		mapPositionDisplay(wwin, src_x, src_y, w, h);

	}
	ww = w;
	wh = h;
	while (1) {
		/*
		   looper.ox=off_x;
		   looper.oy=off_y;
		 */
		do {
			WMMaskEvent(dpy, KeyPressMask | ButtonReleaseMask
				    | ButtonPressMask | ExposureMask, &event);
			if (event.type == Expose) {
				WMHandleEvent(&event);
			}
		} while (event.type == Expose);

		if (!opaqueMoveResize) {
			if (wwin->flags.shaded || scr->selected_windows) {
				if (scr->selected_windows)
					drawFrames(wwin, scr->selected_windows, off_x, off_y);
				else
					drawTransparentFrame(wwin, src_x + off_x, src_y + off_y, w, h);
			/*** I HATE EDGE RESISTANCE - ]d ***/
			} else {
				drawTransparentFrame(wwin, src_x + off_x, src_y + off_y, ww, wh);
			}
		}

		if (ctrlmode)
			showGeometry(wwin, src_x + off_x, src_y + off_y, src_x + off_x + ww, src_y + off_y + wh,
				     0);

		XUngrabServer(dpy);
		XSync(dpy, False);

		switch (event.type) {
		case KeyPress:
			/* accelerate */
			if (event.xkey.time - lastTime > 50) {
				kspeed /= (1 + (event.xkey.time - lastTime) / 100);
			} else {
				if (kspeed < 20) {
					kspeed++;
				}
			}
			if (kspeed < _KS)
				kspeed = _KS;
			lastTime = event.xkey.time;
			if (modes == (MOVABLE_BIT | RESIZABLE_BIT)) {
				if ((event.xkey.state & ControlMask) && !wwin->flags.shaded) {
					ctrlmode = 1;
					wUnselectWindows(scr);
				} else {
					ctrlmode = 0;
				}
			}
			if (event.xkey.keycode == shiftl || event.xkey.keycode == shiftr) {
				if (ctrlmode)
					cycleGeometryDisplay(wwin, src_x + off_x, src_y + off_y, ww, wh, 0);
				else
					cyclePositionDisplay(wwin, src_x + off_x, src_y + off_y, ww, wh);
			} else {

				keysym = XLookupKeysym(&event.xkey, 0);
				switch (keysym) {
				case XK_Return:
#ifdef XK_KP_Enter
				case XK_KP_Enter:
#endif
					done = 2;
					break;
				case XK_Escape:
					done = 1;
					break;
				case XK_Up:
#ifdef XK_KP_Up
				case XK_KP_Up:
#endif
				case XK_k:
					if (ctrlmode) {
						if (moment != UP)
							h = wh;
						h -= kspeed;
						moment = UP;
						if (h < 1)
							h = 1;
					} else
						off_y -= kspeed;
					break;
				case XK_Down:
#ifdef XK_KP_Down
				case XK_KP_Down:
#endif
				case XK_j:
					if (ctrlmode) {
						if (moment != DOWN)
							h = wh;
						h += kspeed;
						moment = DOWN;
					} else
						off_y += kspeed;
					break;
				case XK_Left:
#ifdef XK_KP_Left
				case XK_KP_Left:
#endif
				case XK_h:
					if (ctrlmode) {
						if (moment != LEFT)
							w = ww;
						w -= kspeed;
						if (w < 1)
							w = 1;
						moment = LEFT;
					} else
						off_x -= kspeed;
					break;
				case XK_Right:
#ifdef XK_KP_Right
				case XK_KP_Right:
#endif
				case XK_l:
					if (ctrlmode) {
						if (moment != RIGHT)
							w = ww;
						w += kspeed;
						moment = RIGHT;
					} else
						off_x += kspeed;
					break;
				}

				ww = w;
				wh = h;
				wh -= vert_border;
				wWindowConstrainSize(wwin, (unsigned int *)&ww, (unsigned int *)&wh);
				wh += vert_border;

				if (wPreferences.ws_cycle) {
					if (src_x + off_x + ww < 20) {
						if (!scr->current_workspace)
							wWorkspaceChange(scr, scr->workspace_count - 1);
						else
							wWorkspaceChange(scr, scr->current_workspace - 1);

						off_x += scr_width;
					} else if (src_x + off_x + 20 > scr_width) {
						if (scr->current_workspace == scr->workspace_count - 1)
							wWorkspaceChange(scr, 0);
						else
							wWorkspaceChange(scr, scr->current_workspace + 1);

						off_x -= scr_width;
					}
				} else {
					if (src_x + off_x + ww < 20)
						off_x = 20 - ww - src_x;
					else if (src_x + off_x + 20 > scr_width)
						off_x = scr_width - 20 - src_x;
				}

				if (src_y + off_y + wh < 20) {
					off_y = 20 - wh - src_y;
				} else if (src_y + off_y + 20 > scr_height) {
					off_y = scr_height - 20 - src_y;
				}
			}
			break;
		case ButtonPress:
		case ButtonRelease:
			done = 1;
			break;
		case Expose:
			WMHandleEvent(&event);
			while (XCheckTypedEvent(dpy, Expose, &event)) {
				WMHandleEvent(&event);
			}
			break;

		default:
			WMHandleEvent(&event);
			break;
		}

		XGrabServer(dpy);
		/*xxx */

		if (wwin->flags.shaded && !scr->selected_windows) {
			moveGeometryDisplayCentered(scr, src_x + off_x + w / 2, src_y + off_y + h / 2);
		} else {
			if (ctrlmode) {
				WMUnmapWidget(scr->gview);
				mapGeometryDisplay(wwin, src_x + off_x, src_y + off_y, ww, wh);
			} else if (!scr->selected_windows) {
				WMUnmapWidget(scr->gview);
				mapPositionDisplay(wwin, src_x + off_x, src_y + off_y, ww, wh);
			}
		}

		if (!opaqueMoveResize) {
			if (wwin->flags.shaded || scr->selected_windows) {
				if (scr->selected_windows)
					drawFrames(wwin, scr->selected_windows, off_x, off_y);
				else
					drawTransparentFrame(wwin, src_x + off_x, src_y + off_y, w, h);
			} else {
				drawTransparentFrame(wwin, src_x + off_x, src_y + off_y, ww, wh);
			}
		}

		if (ctrlmode) {
			showGeometry(wwin, src_x + off_x, src_y + off_y, src_x + off_x + ww, src_y + off_y + wh,
				     0);
		} else if (!scr->selected_windows)
			showPosition(wwin, src_x + off_x, src_y + off_y);

				if (opaqueMoveResize) {
					XUngrabServer(dpy);
					wWindowConfigure(wwin, src_x + off_x, src_y + off_y, ww, wh - vert_border);
				};

		if (done) {
			if (!opaqueMoveResize) {	/* ctrlmode => resize */
				if (wwin->flags.shaded || scr->selected_windows) {
					if (scr->selected_windows)
						drawFrames(wwin, scr->selected_windows, off_x, off_y);
					else
						drawTransparentFrame(wwin, src_x + off_x, src_y + off_y, w, h);
				} else {
					drawTransparentFrame(wwin, src_x + off_x, src_y + off_y, ww, wh);
				}
			}

			if (ctrlmode) {
				showGeometry(wwin, src_x + off_x, src_y + off_y, src_x + off_x + ww,
					     src_y + off_y + wh, 0);
				WMUnmapWidget(scr->gview);
			} else
				WMUnmapWidget(scr->gview);

			XUngrabKeyboard(dpy, CurrentTime);
			XUngrabPointer(dpy, CurrentTime);
			XUngrabServer(dpy);

			if (done == 2) {
				if (wwin->flags.shaded || scr->selected_windows) {
					if (!scr->selected_windows) {
						wWindowMove(wwin, src_x + off_x, src_y + off_y);
						wWindowSynthConfigureNotify(wwin);
					} else {
						WMArrayIterator iter;
						WWindow *foo;

						doWindowMove(wwin, scr->selected_windows, off_x, off_y);

						WM_ITERATE_ARRAY(scr->selected_windows, foo, iter) {
							wWindowSynthConfigureNotify(foo);
						}
					}
				} else {
					if (ww != original_w)
						wwin->flags.maximized &= ~(MAX_HORIZONTAL | MAX_TOPHALF | MAX_BOTTOMHALF | MAX_MAXIMUS | MAX_CENTRAL);

					if (wh != original_h)
						wwin->flags.maximized &= ~(MAX_VERTICAL | MAX_LEFTHALF | MAX_RIGHTHALF | MAX_MAXIMUS | MAX_CENTRAL);

					wWindowConfigure(wwin, src_x + off_x, src_y + off_y, ww, wh - vert_border);
					wWindowSynthConfigureNotify(wwin);
				}
				wWindowChangeWorkspace(wwin, scr->current_workspace);
				wSetFocusTo(scr, wwin);
			}

			if (wPreferences.auto_arrange_icons && wXineramaHeads(scr) > 1 &&
			    head != wGetHeadForWindow(wwin)) {
				wArrangeIcons(scr, True);
			}

			update_saved_geometry(wwin);

			return 1;
		}
	}
}

/*
 *----------------------------------------------------------------------
 * wMouseMoveWindow--
 * 	Move the named window and the other selected ones (if any),
 * interactively. Also shows the position of the window, if only one
 * window is being moved.
 * 	If the window is not on the selected window list, the selected
 * windows are deselected.
 * 	If shift is pressed during the operation, the position display
 * is changed to another type.
 *
 * Returns:
 * 	True if the window was moved, False otherwise.
 *
 * Side effects:
 * 	The window(s) position is changed, and the client(s) are
 * notified about that.
 * 	The position display configuration may be changed.
 *----------------------------------------------------------------------
 */
int wMouseMoveWindow(WWindow * wwin, XEvent * ev)
{
	WScreen *scr = wwin->screen_ptr;
	XEvent event;
	Window root = scr->root_win;
	KeyCode shiftl, shiftr;
	Bool done = False;
	int started = 0;
	int warped = 0;
	/* This needs not to change while moving, else bad things can happen */
	int opaqueMove = wPreferences.opaque_move;
	MoveData moveData;
	int head = ((wPreferences.auto_arrange_icons && wXineramaHeads(scr) > 1)
		    ? wGetHeadForWindow(wwin)
		    : scr->xine_info.primary_head);

	if (!IS_MOVABLE(wwin))
		return False;

	if (wPreferences.opaque_move && !wPreferences.use_saveunders) {
		XSetWindowAttributes attr;

		attr.save_under = True;
		XChangeWindowAttributes(dpy, wwin->frame->core->window, CWSaveUnder, &attr);
	}

	initMoveData(wwin, &moveData);

	moveData.mouseX = ev->xmotion.x_root;
	moveData.mouseY = ev->xmotion.y_root;

	if (!wwin->flags.selected) {
		/* this window is not selected, unselect others and move only wwin */
		wUnselectWindows(scr);
	}
	shiftl = XKeysymToKeycode(dpy, XK_Shift_L);
	shiftr = XKeysymToKeycode(dpy, XK_Shift_R);
	while (!done) {
		if (warped) {
			int junk;
			Window junkw;

			/* XWarpPointer() doesn't seem to generate Motion events, so
			 * we've got to simulate them */
			XQueryPointer(dpy, root, &junkw, &junkw, &event.xmotion.x_root,
				      &event.xmotion.y_root, &junk, &junk, (unsigned *)&junk);
		} else {
			WMMaskEvent(dpy, KeyPressMask | ButtonMotionMask
				    | PointerMotionHintMask
				    | ButtonReleaseMask | ButtonPressMask | ExposureMask, &event);

			if (event.type == MotionNotify) {
				/* compress MotionNotify events */
				while (XCheckMaskEvent(dpy, ButtonMotionMask, &event)) ;
				if (!checkMouseSamplingRate(&event))
					continue;
			}
		}
		switch (event.type) {
		case KeyPress:
			if ((event.xkey.keycode == shiftl || event.xkey.keycode == shiftr)
			    && started && !scr->selected_windows) {

				if (!opaqueMove) {
					drawFrames(wwin, scr->selected_windows,
						   moveData.realX - wwin->frame_x, moveData.realY - wwin->frame_y);
				}

				if (wPreferences.move_display == WDIS_NEW && !scr->selected_windows) {
					showPosition(wwin, moveData.realX, moveData.realY);
					XUngrabServer(dpy);
				}
				cyclePositionDisplay(wwin, moveData.realX, moveData.realY,
						     moveData.winWidth, moveData.winHeight);

				if (wPreferences.move_display == WDIS_NEW && !scr->selected_windows) {
					XGrabServer(dpy);
					showPosition(wwin, moveData.realX, moveData.realY);
				}

				if (!opaqueMove) {
					drawFrames(wwin, scr->selected_windows,
						   moveData.realX - wwin->frame_x, moveData.realY - wwin->frame_y);
				}
				/*} else {
				   WMHandleEvent(&event); this causes problems needs fixing */
			}
			break;

		case MotionNotify:
			if (IS_RESIZABLE(wwin) && wPreferences.window_snapping) {
				int snap_direction;

				snap_direction = get_snap_direction(scr, moveData.mouseX, moveData.mouseY);

				if (!wPreferences.no_autowrap &&
				    snap_direction != SNAP_TOP &&
				    snap_direction != SNAP_BOTTOM)
					snap_direction = SNAP_NONE;

				if (moveData.snap != snap_direction) {
					/* erase old frame */
					if (moveData.snap)
						draw_snap_frame(wwin, moveData.snap);
					/* draw new frame */
					if (snap_direction)
						draw_snap_frame(wwin, snap_direction);
					moveData.snap = snap_direction;
				}
			}

			if (started) {
				/* erase snap frame */
				if (moveData.snap)
					draw_snap_frame(wwin, moveData.snap);

				updateWindowPosition(wwin, &moveData,
						     scr->selected_windows == NULL
						     && wPreferences.edge_resistance > 0,
						     opaqueMove, event.xmotion.x_root, event.xmotion.y_root);

				/* redraw snap frame */
				if (moveData.snap)
					draw_snap_frame(wwin, moveData.snap);

				if (!warped && !wPreferences.no_autowrap) {
					int oldWorkspace = scr->current_workspace;

					if (wPreferences.move_display == WDIS_NEW && !scr->selected_windows) {
						showPosition(wwin, moveData.realX, moveData.realY);
						XUngrabServer(dpy);
					}
					if (!opaqueMove) {
						drawFrames(wwin, scr->selected_windows,
							   moveData.realX - wwin->frame_x,
							   moveData.realY - wwin->frame_y);
					}
					if (checkWorkspaceChange(wwin, &moveData, opaqueMove)) {
						if (scr->current_workspace != oldWorkspace
						    && wPreferences.edge_resistance > 0
						    && scr->selected_windows == NULL)
							updateMoveData(wwin, &moveData);
						warped = 1;
					}
					if (!opaqueMove) {
						drawFrames(wwin, scr->selected_windows,
							   moveData.realX - wwin->frame_x,
							   moveData.realY - wwin->frame_y);
					}
					if (wPreferences.move_display == WDIS_NEW && !scr->selected_windows) {
						XSync(dpy, False);
						showPosition(wwin, moveData.realX, moveData.realY);
						XGrabServer(dpy);
					}
				} else {
					warped = 0;
				}
			} else if (abs(ev->xmotion.x_root - event.xmotion.x_root) >= MOVE_THRESHOLD
				   || abs(ev->xmotion.y_root - event.xmotion.y_root) >= MOVE_THRESHOLD) {

				if (wwin->flags.maximized) {
					if (wPreferences.drag_maximized_window == DRAGMAX_RESTORE) {
						float titlebar_ratio;
						int new_x, new_y;

						titlebar_ratio = (moveData.mouseX - wwin->frame_x) /
							(float)wwin->frame->core->width;
						new_y = wwin->frame_y;
						wUnmaximizeWindow(wwin);
						new_x = moveData.mouseX - titlebar_ratio * wwin->frame->core->width;
						wWindowMove(wwin, new_x, new_y);
						moveData.realX = moveData.calcX = wwin->frame_x;
						moveData.realY = moveData.calcY = wwin->frame_y;
					}
					if (wPreferences.drag_maximized_window == DRAGMAX_UNMAXIMIZE) {
						wwin->flags.maximized = 0;
						wwin->flags.old_maximized = 0;
					}
				}

				XChangeActivePointerGrab(dpy, ButtonMotionMask
							 | ButtonReleaseMask | ButtonPressMask,
							 wPreferences.cursor[WCUR_MOVE], CurrentTime);
				started = 1;
				XGrabKeyboard(dpy, root, False, GrabModeAsync, GrabModeAsync, CurrentTime);

				if (!scr->selected_windows)
					mapPositionDisplay(wwin, moveData.realX, moveData.realY,
							   moveData.winWidth, moveData.winHeight);

				if (started && !opaqueMove)
					drawFrames(wwin, scr->selected_windows, 0, 0);

				if (!opaqueMove || (wPreferences.move_display == WDIS_NEW
						    && !scr->selected_windows)) {
					XGrabServer(dpy);
					if (wPreferences.move_display == WDIS_NEW)
						showPosition(wwin, moveData.realX, moveData.realY);
				}
			}

			break;

		case ButtonPress:
			break;

		case ButtonRelease:
			if (event.xbutton.button != ev->xbutton.button)
				break;

			if (started) {
				XEvent e;

				if (moveData.snap)
					do_snap(wwin, &moveData, opaqueMove);
				else if (!opaqueMove) {
					drawFrames(wwin, scr->selected_windows,
						   moveData.realX - wwin->frame_x, moveData.realY - wwin->frame_y);
					XSync(dpy, 0);
					doWindowMove(wwin, scr->selected_windows,
						     moveData.realX - wwin->frame_x,
						     moveData.realY - wwin->frame_y);
				}
#ifndef CONFIGURE_WINDOW_WHILE_MOVING
				wWindowSynthConfigureNotify(wwin);
#endif
				XUngrabKeyboard(dpy, CurrentTime);
				XUngrabServer(dpy);
				if (!opaqueMove) {
					wWindowChangeWorkspace(wwin, scr->current_workspace);
					wSetFocusTo(scr, wwin);
				}
				if (wPreferences.move_display == WDIS_NEW)
					showPosition(wwin, moveData.realX, moveData.realY);

				/* discard all enter/leave events that happened until
				 * the time the button was released */
				while (XCheckTypedEvent(dpy, EnterNotify, &e)) {
					if (e.xcrossing.time > event.xbutton.time) {
						XPutBackEvent(dpy, &e);
						break;
					}
				}
				while (XCheckTypedEvent(dpy, LeaveNotify, &e)) {
					if (e.xcrossing.time > event.xbutton.time) {
						XPutBackEvent(dpy, &e);
						break;
					}
				}

				if (!scr->selected_windows) {
					/* get rid of the geometry window */
					WMUnmapWidget(scr->gview);
				}
			}
			done = True;
			break;

		default:
			if (started && !opaqueMove) {
				drawFrames(wwin, scr->selected_windows,
					   moveData.realX - wwin->frame_x, moveData.realY - wwin->frame_y);
				XUngrabServer(dpy);
				WMHandleEvent(&event);
				XSync(dpy, False);
				XGrabServer(dpy);
				drawFrames(wwin, scr->selected_windows,
					   moveData.realX - wwin->frame_x, moveData.realY - wwin->frame_y);
			} else {
				WMHandleEvent(&event);
			}
			break;
		}
	}

	if (wPreferences.opaque_move && !wPreferences.use_saveunders) {
		XSetWindowAttributes attr;

		attr.save_under = False;
		XChangeWindowAttributes(dpy, wwin->frame->core->window, CWSaveUnder, &attr);

	}

	freeMoveData(&moveData);

	if (started && wPreferences.auto_arrange_icons && wXineramaHeads(scr) > 1 &&
	    head != wGetHeadForWindow(wwin)) {
		wArrangeIcons(scr, True);
	}

	if (started)
		update_saved_geometry(wwin);

	return started;
}

#define RESIZEBAR	1
#define HCONSTRAIN	2

static int getResizeDirection(WWindow * wwin, int x, int y, int dy, int flags)
{
	int w = wwin->frame->core->width - 1;
	int cw = wwin->frame->resizebar_corner_width;
	int dir;

	/* if not resizing through the resizebar */
	if (!(flags & RESIZEBAR)) {

		int xdir = (abs(x) < (wwin->client.width / 2)) ? LEFT : RIGHT;
		int ydir = (abs(y) < (wwin->client.height / 2)) ? UP : DOWN;

		/* How much resize space is allowed */
		int spacew = wwin->client.width / 3;
		int spaceh = wwin->client.height / 3;

		/* Determine where x fits */
		if ((abs(x) > wwin->client.width/2 - spacew/2) &&
		    (abs(x) < wwin->client.width/2 + spacew/2)) {
			/* Resize vertically */
			xdir = 0;
		} else if ((abs(y) > wwin->client.height/2 - spaceh/2) &&
		           (abs(y) < wwin->client.height/2 + spaceh/2)) {
			/* Resize horizontally */
			ydir = 0;
		}
		return (xdir | ydir);
	}

	/* window is too narrow. allow diagonal resize */
	if (cw * 2 >= w) {
		int ydir;

		if (flags & HCONSTRAIN)
			ydir = 0;
		else
			ydir = DOWN;
		if (x < cw)
			return (LEFT | ydir);
		else
			return (RIGHT | ydir);
	}
	/* vertical resize */
	if ((x > cw) && (x < w - cw))
		return DOWN;

	if (x < cw)
		dir = LEFT;
	else
		dir = RIGHT;

	if ((abs(dy) > 0) && !(flags & HCONSTRAIN))
		dir |= DOWN;

	return dir;
}

void wMouseResizeWindow(WWindow * wwin, XEvent * ev)
{
	XEvent event;
	WScreen *scr = wwin->screen_ptr;
	Window root = scr->root_win;
	int vert_border = wwin->frame->top_width + wwin->frame->bottom_width;
	int fw = wwin->frame->core->width;
	int fh = wwin->frame->core->height;
	int fx = wwin->frame_x;
	int fy = wwin->frame_y;
	int is_resizebar = (wwin->frame->resizebar && ev->xany.window == wwin->frame->resizebar->window);
	int orig_x, orig_y;
	int started;
	int dw, dh;
	int rw = fw, rh = fh;
	int rx1, ry1, rx2, ry2;
	int res = 0;
	KeyCode shiftl, shiftr;
	int orig_fx = fx;
	int orig_fy = fy;
	int orig_fw = fw;
	int orig_fh = fh;
	int original_fw = fw;
	int original_fh = fh;
	int head = ((wPreferences.auto_arrange_icons && wXineramaHeads(scr) > 1)
		    ? wGetHeadForWindow(wwin)
		    : scr->xine_info.primary_head);
	int opaqueResize = wPreferences.opaque_resize;

	if (!IS_RESIZABLE(wwin))
		return;

	if (wwin->flags.shaded) {
		wwarning("internal error: tryein");
		return;
	}
	orig_x = ev->xbutton.x_root;
	orig_y = ev->xbutton.y_root;

	started = 0;
	wUnselectWindows(scr);
	rx1 = fx;
	rx2 = fx + fw - 1;
	ry1 = fy;
	ry2 = fy + fh - 1;
	shiftl = XKeysymToKeycode(dpy, XK_Shift_L);
	shiftr = XKeysymToKeycode(dpy, XK_Shift_R);

	while (1) {
		WMMaskEvent(dpy, KeyPressMask | ButtonMotionMask
			    | ButtonReleaseMask | PointerMotionHintMask | ButtonPressMask | ExposureMask, &event);
		if (!checkMouseSamplingRate(&event))
			continue;

		switch (event.type) {
		case KeyPress:
			showGeometry(wwin, fx, fy, fx + fw, fy + fh, res);
			if (!opaqueResize) {
				if ((event.xkey.keycode == shiftl || event.xkey.keycode == shiftr)
					&& started) {
					drawTransparentFrame(wwin, fx, fy, fw, fh);
					cycleGeometryDisplay(wwin, fx, fy, fw, fh, res);
					drawTransparentFrame(wwin, fx, fy, fw, fh);
				}
			};
			showGeometry(wwin, fx, fy, fx + fw, fy + fh, res);
			break;

		case MotionNotify:
			if (started) {
				while (XCheckMaskEvent(dpy, ButtonMotionMask, &event)) ;

				dw = 0;
				dh = 0;

				orig_fx = fx;
				orig_fy = fy;
				orig_fw = fw;
				orig_fh = fh;

				if (res & LEFT)
					dw = orig_x - event.xmotion.x_root;
				else if (res & RIGHT)
					dw = event.xmotion.x_root - orig_x;
				if (res & UP)
					dh = orig_y - event.xmotion.y_root;
				else if (res & DOWN)
					dh = event.xmotion.y_root - orig_y;

				orig_x = event.xmotion.x_root;
				orig_y = event.xmotion.y_root;

				rw += dw;
				rh += dh;
				fw = rw;
				fh = rh - vert_border;
				wWindowConstrainSize(wwin, (unsigned int *)&fw, (unsigned int *)&fh);
				fh += vert_border;
				if (res & LEFT)
					fx = rx2 - fw + 1;
				else if (res & RIGHT)
					fx = rx1;
				if (res & UP)
					fy = ry2 - fh + 1;
				else if (res & DOWN)
					fy = ry1;
			} else if (abs(orig_x - event.xmotion.x_root) >= MOVE_THRESHOLD
				   || abs(orig_y - event.xmotion.y_root) >= MOVE_THRESHOLD) {
				int tx, ty;
				Window junkw;
				int flags;

				XTranslateCoordinates(dpy, root, wwin->frame->core->window,
						      orig_x, orig_y, &tx, &ty, &junkw);

				/* check if resizing through resizebar */
				if (is_resizebar)
					flags = RESIZEBAR;
				else
					flags = 0;

				if (is_resizebar && ((ev->xbutton.state & ShiftMask)
						     || abs(orig_y - event.xmotion.y_root) < HRESIZE_THRESHOLD))
					flags |= HCONSTRAIN;

				res = getResizeDirection(wwin, tx, ty, orig_y - event.xmotion.y_root, flags);

				if (res == (UP | LEFT))
					XChangeActivePointerGrab(dpy, ButtonMotionMask
								 | ButtonReleaseMask | ButtonPressMask,
								 wPreferences.cursor[WCUR_TOPLEFTRESIZE], CurrentTime);
				else if (res == (UP | RIGHT))
					XChangeActivePointerGrab(dpy, ButtonMotionMask
								 | ButtonReleaseMask | ButtonPressMask,
								 wPreferences.cursor[WCUR_TOPRIGHTRESIZE], CurrentTime);
				else if (res == (DOWN | LEFT))
					XChangeActivePointerGrab(dpy, ButtonMotionMask
								 | ButtonReleaseMask | ButtonPressMask,
								 wPreferences.cursor[WCUR_BOTTOMLEFTRESIZE], CurrentTime);
				else if (res == (DOWN | RIGHT))
					XChangeActivePointerGrab(dpy, ButtonMotionMask
								 | ButtonReleaseMask | ButtonPressMask,
								 wPreferences.cursor[WCUR_BOTTOMRIGHTRESIZE], CurrentTime);
				else if (res == DOWN || res == UP)
					XChangeActivePointerGrab(dpy, ButtonMotionMask
								 | ButtonReleaseMask | ButtonPressMask,
								 wPreferences.cursor[WCUR_VERTICALRESIZE], CurrentTime);
				else if (res & (DOWN | UP))
					XChangeActivePointerGrab(dpy, ButtonMotionMask
								 | ButtonReleaseMask | ButtonPressMask,
								 wPreferences.cursor[WCUR_VERTICALRESIZE], CurrentTime);
				else if (res & (LEFT | RIGHT))
					XChangeActivePointerGrab(dpy, ButtonMotionMask
								 | ButtonReleaseMask | ButtonPressMask,
								 wPreferences.cursor[WCUR_HORIZONRESIZE], CurrentTime);

				XGrabKeyboard(dpy, root, False, GrabModeAsync, GrabModeAsync, CurrentTime);

				XGrabServer(dpy);

				/* Draw the resize frame for the first time. */
				mapGeometryDisplay(wwin, fx, fy, fw, fh);

				if (!opaqueResize)
					drawTransparentFrame(wwin, fx, fy, fw, fh);

				showGeometry(wwin, fx, fy, fx + fw, fy + fh, res);

				started = 1;
			}
			if (started) {
				if (!opaqueResize)
					drawTransparentFrame(wwin, orig_fx, orig_fy, orig_fw, orig_fh);

				if (wPreferences.size_display == WDIS_FRAME_CENTER)
					moveGeometryDisplayCentered(scr, fx + fw / 2, fy + fh / 2);

				if (!opaqueResize)
					drawTransparentFrame(wwin, fx, fy, fw, fh);

				if (fh != orig_fh || fw != orig_fw) {
					if (wPreferences.size_display == WDIS_NEW)
						showGeometry(wwin, orig_fx, orig_fy, orig_fx + orig_fw,
							     orig_fy + orig_fh, res);

					showGeometry(wwin, fx, fy, fx + fw, fy + fh, res);
				}

				if (opaqueResize) {
					/* Fist clean the geometry line */
					showGeometry(wwin, fx, fy, fx + fw, fy + fh, res);
					/* Now, continue drawing */
					XUngrabServer(dpy);
					moveGeometryDisplayCentered(scr, fx + fw / 2, fy + fh / 2);
					wWindowConfigure(wwin, fx, fy, fw, fh - vert_border);
					showGeometry(wwin, fx, fy, fx + fw, fy + fh, res);
				};
			}
			break;

		case ButtonPress:
			break;

		case ButtonRelease:
			if (event.xbutton.button != ev->xbutton.button)
				break;

			if (started) {
				showGeometry(wwin, fx, fy, fx + fw, fy + fh, res);

				if (!opaqueResize)
					drawTransparentFrame(wwin, fx, fy, fw, fh);

				XUngrabKeyboard(dpy, CurrentTime);
				WMUnmapWidget(scr->gview);
				XUngrabServer(dpy);

				if (fw != original_fw)
					wwin->flags.maximized &= ~(MAX_HORIZONTAL | MAX_TOPHALF | MAX_BOTTOMHALF | MAX_MAXIMUS | MAX_CENTRAL);

				if (fh != original_fh)
					wwin->flags.maximized &= ~(MAX_VERTICAL | MAX_LEFTHALF | MAX_RIGHTHALF | MAX_MAXIMUS | MAX_CENTRAL);

				wWindowConfigure(wwin, fx, fy, fw, fh - vert_border);
				wWindowSynthConfigureNotify(wwin);
			}
			return;

		default:
			WMHandleEvent(&event);
		}
	}

	if (wPreferences.auto_arrange_icons && wXineramaHeads(scr) > 1 && head != wGetHeadForWindow(wwin))
		wArrangeIcons(scr, True);
}

#undef LEFT
#undef RIGHT
#undef UP
#undef DOWN
#undef HCONSTRAIN
#undef RESIZEBAR

void wUnselectWindows(WScreen * scr)
{
	WWindow *wwin;

	if (!scr->selected_windows)
		return;

	while (WMGetArrayItemCount(scr->selected_windows)) {
		wwin = WMGetFromArray(scr->selected_windows, 0);
		if (wwin->flags.miniaturized && wwin->icon && wwin->icon->selected)
			wIconSelect(wwin->icon);

		wSelectWindow(wwin, False);
	}
	WMFreeArray(scr->selected_windows);
	scr->selected_windows = NULL;
}

static void selectWindowsInside(WScreen * scr, int x1, int y1, int x2, int y2)
{
	WWindow *tmpw;

	/* select the windows and put them in the selected window list */
	tmpw = scr->focused_window;
	while (tmpw != NULL) {
		if (!(tmpw->flags.miniaturized || tmpw->flags.hidden)) {
			if ((tmpw->frame->workspace == scr->current_workspace || IS_OMNIPRESENT(tmpw))
			    && (tmpw->frame_x >= x1) && (tmpw->frame_y >= y1)
			    && (tmpw->frame->core->width + tmpw->frame_x <= x2)
			    && (tmpw->frame->core->height + tmpw->frame_y <= y2)) {
				wSelectWindow(tmpw, True);
			}
		}
		tmpw = tmpw->prev;
	}
}

void wSelectWindows(WScreen * scr, XEvent * ev)
{
	XEvent event;
	Window root = scr->root_win;
	GC gc = scr->frame_gc;
	int xp = ev->xbutton.x_root;
	int yp = ev->xbutton.y_root;
	int w = 0, h = 0;
	int x = xp, y = yp;

	if (XGrabPointer(dpy, scr->root_win, False, ButtonMotionMask
			 | ButtonReleaseMask | ButtonPressMask, GrabModeAsync,
			 GrabModeAsync, None, wPreferences.cursor[WCUR_NORMAL], CurrentTime) != Success) {
		return;
	}
	XGrabServer(dpy);

	wUnselectWindows(scr);

	XDrawRectangle(dpy, root, gc, xp, yp, w, h);
	while (1) {
		WMMaskEvent(dpy, ButtonReleaseMask | PointerMotionMask | ButtonPressMask, &event);

		switch (event.type) {
		case MotionNotify:
			XDrawRectangle(dpy, root, gc, x, y, w, h);
			x = event.xmotion.x_root;
			if (x < xp) {
				w = xp - x;
			} else {
				w = x - xp;
				x = xp;
			}
			y = event.xmotion.y_root;
			if (y < yp) {
				h = yp - y;
			} else {
				h = y - yp;
				y = yp;
			}
			XDrawRectangle(dpy, root, gc, x, y, w, h);
			break;

		case ButtonPress:
			break;

		case ButtonRelease:
			if (event.xbutton.button != ev->xbutton.button)
				break;

			XDrawRectangle(dpy, root, gc, x, y, w, h);
			XUngrabServer(dpy);
			XUngrabPointer(dpy, CurrentTime);
			selectWindowsInside(scr, x, y, x + w, y + h);
			return;

		default:
			WMHandleEvent(&event);
			break;
		}
	}
}

void InteractivePlaceWindow(WWindow * wwin, int *x_ret, int *y_ret, unsigned width, unsigned height)
{
	WScreen *scr = wwin->screen_ptr;
	Window root = scr->root_win;
	int x, y, h = 0;
	XEvent event;
	KeyCode shiftl, shiftr;
	Window junkw;
	int junk;

	if (XGrabPointer(dpy, root, True, PointerMotionMask | ButtonPressMask,
			 GrabModeAsync, GrabModeAsync, None, wPreferences.cursor[WCUR_NORMAL], CurrentTime) != Success) {
		*x_ret = 0;
		*y_ret = 0;
		return;
	}
	if (HAS_TITLEBAR(wwin)) {
		h = WMFontHeight(scr->title_font) + (wPreferences.window_title_clearance +
						     TITLEBAR_EXTEND_SPACE) * 2;

		if (h > wPreferences.window_title_max_height)
			h = wPreferences.window_title_max_height;

		if (h < wPreferences.window_title_min_height)
			h = wPreferences.window_title_min_height;

		height += h;
	}
	if (HAS_RESIZEBAR(wwin)) {
		height += RESIZEBAR_HEIGHT;
	}
	XGrabKeyboard(dpy, root, False, GrabModeAsync, GrabModeAsync, CurrentTime);
	XQueryPointer(dpy, root, &junkw, &junkw, &x, &y, &junk, &junk, (unsigned *)&junk);
	mapPositionDisplay(wwin, x - width / 2, y - h / 2, width, height);

	drawTransparentFrame(wwin, x - width / 2, y - h / 2, width, height);

	shiftl = XKeysymToKeycode(dpy, XK_Shift_L);
	shiftr = XKeysymToKeycode(dpy, XK_Shift_R);
	while (1) {
		WMMaskEvent(dpy, PointerMotionMask | ButtonPressMask | ExposureMask | KeyPressMask, &event);

		if (!checkMouseSamplingRate(&event))
			continue;

		switch (event.type) {
		case KeyPress:
			if ((event.xkey.keycode == shiftl)
			    || (event.xkey.keycode == shiftr)) {
				drawTransparentFrame(wwin, x - width / 2, y - h / 2, width, height);
				cyclePositionDisplay(wwin, x - width / 2, y - h / 2, width, height);
				drawTransparentFrame(wwin, x - width / 2, y - h / 2, width, height);
			}
			break;

		case MotionNotify:
			drawTransparentFrame(wwin, x - width / 2, y - h / 2, width, height);

			x = event.xmotion.x_root;
			y = event.xmotion.y_root;

			if (wPreferences.move_display == WDIS_FRAME_CENTER)
				moveGeometryDisplayCentered(scr, x, y + (height - h) / 2);

			showPosition(wwin, x - width / 2, y - h / 2);

			drawTransparentFrame(wwin, x - width / 2, y - h / 2, width, height);

			break;

		case ButtonPress:
			drawTransparentFrame(wwin, x - width / 2, y - h / 2, width, height);
			XSync(dpy, 0);
			*x_ret = x - width / 2;
			*y_ret = y - h / 2;
			XUngrabPointer(dpy, CurrentTime);
			XUngrabKeyboard(dpy, CurrentTime);
			/* get rid of the geometry window */
			WMUnmapWidget(scr->gview);
			return;

		default:
			WMHandleEvent(&event);
			break;
		}
	}
}
